<template>
  <div>
    <el-row>
      <el-col :span="8" style="padding-right: 10px">
        <el-card class="box-card">
          <div class="user">
            <img src="../assets/img/user.jpg">
            <div class="userInfo">
              <p class="name">Admin</p>
              <p class="access">超级管理员</p>
            </div>
          </div>
          <div class="login-info">
            <p>上次登录的时间：<span>2022-11-11</span></p>
            <p>上次登录的地点：<span>深圳</span></p>
          </div>
        </el-card>

        <el-card style="margin-top: 20px;height: 420px">
          <el-table :data="tableData" style="width: 100%">
            <el-table-column v-for="(val, key) in tableLabel" :prop="key" :label="val">
            </el-table-column>
          </el-table>
        </el-card>
      </el-col>
      <el-col :span="16" style="padding-left: 10px">
        <div class="num">
          <el-card v-for="item in countData" :key="item.name" :body-style="{ display: 'flex', padding: 0 }">
            <i class="icon" :class="`el-icon-${item.icon}`" :style="{ background: item.color }"></i>
            <div class="detail">
              <p class="price">￥{{ item.value }}</p>
              <p class="desc">{{ item.name }}</p>
            </div>
          </el-card>
        </div>
        <el-card style="height: 280px">
          <!--折线图-->
          <div ref="echarts1" style="height:280px;"></div>
        </el-card>
        <div class="graph">
          <el-card style="height: 260px">
            <!--柱状图-->
            <div ref="echarts2" style="height:260px;"></div>
          </el-card>
          <el-card style="height: 260px">
            <!--饼状图-->
            <div ref="echarts3" style="height:240px;"></div>
          </el-card>
        </div>
      </el-col>
    </el-row>
  </div>
</template>

<script>
import { getData } from "@/api";
import * as echarts from "echarts"; //引入 echarts 组件库，必须在页面加载之前引用。 可使用任何 echarts

export default {
  name: "Home",
  data() {
    return {
      tableData: [],
      tableLabel: {
        name: '课程',
        todayBuy: '今日购买',
        monthBuy: '本月购买',
        totalBuy: '总购买',
      },
      countData: [
        {
          name: '今日支付订单',
          value: '1234',
          icon: 'success',
          color: '#2ec7c9',
        },
        {
          name: '今日收藏订单',
          value: '5678',
          icon: 'star-on',
          color: '#ffb980',
        },
        {
          name: '今日未支付订单',
          value: '9012',
          icon: 's-goods',
          color: '#5ab1ef'
        },
        {
          name: '本月支付订单',
          value: '1337',
          icon: 'success',
          color: '#2ec7c9',
        },
        {
          name: '本月收藏订单',
          value: '5678',
          icon: 'star-on',
          color: '#ffb980',
        },
        {
          name: '本月未支付订单',
          value: '9012',
          icon: 's-goods',
          color: '#5ab1ef',
        }
      ], // 统计数据
    }
  },
  mounted() {
    getData().then(({ data }) => {
      const { tableData,orderData,userData ,videoData } = data.data;      
      this.tableData = tableData;

      // console.log(orderData)
      // 基于准备好的dom，初始化echarts实例

      //1、折线图
      const echarts1 = echarts.init(this.$refs.echarts1);
      // x轴坐标
      const xAxis = Object.keys(orderData.data[0]);
      // 数据
      const series = [];
      xAxis.forEach(key => {
        series.push({
          name: key,
          type: 'line',
          data: orderData.data.map(item => item[key])
        })
      })

      // 指定图表的配置项和数据
      const option = {
        title: {
          text: '折线图'
        },
        tooltip: {},
        legend: {
          data: xAxis
        },
        xAxis: {
          data: xAxis
        },
        yAxis: {},
        series: series
      };
      // 使用刚指定的配置项和数据显示图表。
      echarts1.setOption(option);


      // 2、柱状图
      const echarts2 = echarts.init(this.$refs.echarts2);
      const echarts2Option = {
        legend: {
          // 图例文字颜色
          textStyle: {
            color: "#333"
          }
        },
        grid: {
          left: "20%",
        },
        // 提示框
        tooltip: {
          trigger: "axis",
        },
        xAxis: {
          type: "category",
          data: userData.map(item => item.date),
          axisLine: {
            lineStyle: {
              color: "#17b3a3"
            }
          },
          axisLabel: {
            interval: 0,
            color: "#333"
          }
        },
        yAxis: [
          {
            type: 'value',
            lineStyle: {
              color: "#17b3a3"
            }
          }
        ],
        color: ['#2ec7c9', '#b6a2de'],
        series: [
          {
            name: '新增用户',
            data: userData.map(item => item.new),
            type: 'bar'
          },
          {
            name: '活跃用户',
            data: userData.map(item => item.active),
            type: 'bar'
          }
        ],
      }
      echarts2.setOption(echarts2Option)

      // 3、饼状图
      const echarts3 = echarts.init(this.$refs.echarts3);
      const echarts3Option = {
        tooltip:{
          trigger: 'item'
        },
        color:[
            '#0f78f4',
            '#dd536b',
            '#9462e5',
            '#a6a6a6',
            '#e1bb22',
            '#c9c362',
            '#3ed1cf',
        ],
        series:[
          {
            data:videoData,
            type:'pie'
          }
        ]
      }
      echarts3.setOption(echarts3Option)
    })
  }
}

</script>

<style lang="less" scoped>
.user {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid #ccc;
  display: flex;
  align-items: center;

  img {
    margin-right: 40px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
  }

  .userInfo {
    .name {
      font-size: 32px;
      margin-bottom: 10px;
    }

    .access {
      color: #999999;
    }
  }
}

.login-info {
  p {
    line-height: 28px;
    font-size: 14px;
    color: #999999;

    span {
      color: #666666;
      margin-left: 60px;
    }
  }
}

.num {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between; // 贴边

  .icon {
    width: 80px;
    height: 80px;
    font-size: 30px;
    line-height: 80px;
    color: #ffffff;
    text-align: center;
  }

  .detail {
    margin-left: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;

    .price {
      height: 30px;
      line-height: 30px;
      font-size: 30px;
      margin-bottom: 10px;
    }

    .desc {
      font-size: 14px;
      text-align: center;
      color: #999999;
    }
  }

  .el-card {
    width: 32%;
    margin-bottom: 20px;
  }
}

.graph {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;

  .el-card {
    width: 48%;
  }
}
</style>
